Letters Sistrurus and Croalophorus By S. Garman See allHide authors and affiliations Science 20 May 1892:Vol. ns-19, Issue 485, pp. 290DOI: 10.1126/science.ns-19.485.290 S. Garman Find this author on Google Scholar Find this author on PubMed Search for this author on this site Article Info & Metrics eLetters PDF This is a PDF-only article. The first page of the PDF of this article appears above.